feat: 实现数据库备份和恢复并发调度 (#84)

server/internal/db/infrastructure/persistence/db_backup.go

@@ -1,74 +1,22 @@
 package persistence
 
 import (
-	"context"
-	"errors"
-	"fmt"
 	"mayfly-go/internal/db/domain/entity"
 	"mayfly-go/internal/db/domain/repository"
 	"mayfly-go/pkg/gormx"
-	"mayfly-go/pkg/model"
 	"slices"
-
-	"gorm.io/gorm"
 )
 
 var _ repository.DbBackup = (*dbBackupRepoImpl)(nil)
 
 type dbBackupRepoImpl struct {
-	//base.RepoImpl[*entity.DbBackup]
-	dbTaskBase[*entity.DbBackup]
+	dbJobBase[*entity.DbBackup]
 }
 
 func NewDbBackupRepo() repository.DbBackup {
 	return &dbBackupRepoImpl{}
 }
 
-// GetDbBackupList 分页获取数据库备份任务列表
-func (d *dbBackupRepoImpl) GetDbBackupList(condition *entity.DbBackupQuery, pageParam *model.PageParam, toEntity any, _ ...string) (*model.PageResult[any], error) {
-	qd := gormx.NewQuery(d.GetModel()).
-		Eq("id", condition.Id).
-		Eq0("db_instance_id", condition.DbInstanceId).
-		Eq0("repeated", condition.Repeated).
-		In0("db_name", condition.InDbNames).
-		Like("db_name", condition.DbName)
-	return gormx.PageQuery(qd, pageParam, toEntity)
-}
-
-func (d *dbBackupRepoImpl) AddTask(ctx context.Context, tasks ...*entity.DbBackup) error {
-	return gormx.Tx(func(db *gorm.DB) error {
-		var instanceId uint64
-		dbNames := make([]string, 0, len(tasks))
-		for _, task := range tasks {
-			if instanceId == 0 {
-				instanceId = task.DbInstanceId
-			}
-			if task.DbInstanceId != instanceId {
-				return errors.New("不支持同时为多个数据库实例添加备份任务")
-			}
-			if task.Interval == 0 {
-				// 单次执行的备份任务可重复创建
-				continue
-			}
-			dbNames = append(dbNames, task.DbName)
-		}
-		var res []string
-		err := db.Model(d.GetModel()).Select("db_name").
-			Where("db_instance_id = ?", instanceId).
-			Where("db_name in ?", dbNames).
-			Where("repeated = true").
-			Scopes(gormx.UndeleteScope).Find(&res).Error
-		if err != nil {
-			return err
-		}
-		if len(res) > 0 {
-			return fmt.Errorf("数据库备份任务已存在: %v", res)
-		}
-
-		return d.BatchInsertWithDb(ctx, db, tasks)
-	})
-}
-
 func (d *dbBackupRepoImpl) GetDbNamesWithoutBackup(instanceId uint64, dbNames []string) ([]string, error) {
 	var dbNamesWithBackup []string
 	query := gormx.NewQuery(d.GetModel()).